#include <iostream>
#include <cstdio>

using namespace std;

int a[101][101],n;

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    scanf("%d",&n);

    for(int i=1; i<=n; i++)
        for(int j=1; j<=n; j++)
            scanf("%d",&a[i][j]);
    for(int k=1; k<=n; k++)
        for(int i=1; i<=n; i++)
            for(int j=1; j<=n; j++)
                if (a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j)
                    a[i][j] = a[i][k] + a[k][j];
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
            printf("%d ",a[i][j]);
        printf("\n");
    }
    return 0;
}